armv8: ls2080aqds: Enable QSPI boot support

This patch adds QSPI boot support for LS2080AQDS board.
The QSPI boot image need to be programmed into the QSPI flash
first. Then we can switch to booting from QSPI memory space.

Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/include/configs/ls2080a_common.h b/include/configs/ls2080a_common.h
index cab3ba9..ebe1415 100644
--- a/include/configs/ls2080a_common.h
+++ b/include/configs/ls2080a_common.h
@@ -29,11 +29,13 @@
 #define CONFIG_FSL_CAAM			/* Enable SEC/CAAM */
 
 /* Link Definitions */
+#ifndef CONFIG_QSPI_BOOT
 #ifdef CONFIG_SPL
 #define CONFIG_SYS_TEXT_BASE		0x80400000
 #else
 #define CONFIG_SYS_TEXT_BASE		0x30100000
 #endif
+#endif
 
 #ifdef CONFIG_EMU
 #define CONFIG_SYS_NO_FLASH